divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 18512 Comm: kworker/u4:8 Not tainted 5.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
RIP: 0010:tabledist.part.0+0x134/0x160 net/sched/sch_netem.c:333
Code: 4c 89 e0 48 83 c4 08 5b 5d 41 5c 41 5d c3 e8 23 f9 24 fb 48 81 eb 00 10 00 00 eb aa e8 15 f9 24 fb 8d 4c 2d 00 44 89 e8 31 d2 <f7> f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 3a c1 63 fb e9 13 ff ff
RSP: 0018:ffffc90001e87428 EFLAGS: 00010246
RAX: 00000000ee41ce34 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff864e98db RDI: 0000000000000005
RBP: ffffffff80000000 R08: ffff888064704400 R09: ffffed1013b27032
R10: ffff88809d93818f R11: ffffed1013b27031 R12: 0000000000000200
R13: 00000000ee41ce34 R14: ffff88809d938330 R15: ffff88809d938000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000078c000 CR3: 000000006496e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tabledist net/sched/sch_netem.c:536 [inline]
 netem_enqueue+0x412/0x2da0 net/sched/sch_netem.c:536
 __dev_xmit_skb net/core/dev.c:3778 [inline]
 __dev_queue_xmit+0x154a/0x30a0 net/core/dev.c:4089
 neigh_hh_output include/net/neighbour.h:499 [inline]
 neigh_output include/net/neighbour.h:508 [inline]
 ip6_finish_output2+0xfb5/0x25b0 net/ipv6/ip6_output.c:117
 __ip6_finish_output+0x442/0xab0 net/ipv6/ip6_output.c:143
 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x239/0x810 net/ipv6/ip6_output.c:176
 dst_output include/net/dst.h:435 [inline]
 ip6_local_out+0xaf/0x1a0 net/ipv6/output_core.c:179
 ip6tunnel_xmit include/net/ip6_tunnel.h:160 [inline]
 udp_tunnel6_xmit_skb+0x6f4/0xcd0 net/ipv6/ip6_udp_tunnel.c:109
 send6+0x4d7/0xbf0 drivers/net/wireguard/socket.c:152
 wg_socket_send_skb_to_peer drivers/net/wireguard/socket.c:177 [inline]
 wg_socket_send_buffer_to_peer+0x202/0x350 drivers/net/wireguard/socket.c:199
 wg_packet_send_handshake_initiation+0x1fc/0x240 drivers/net/wireguard/send.c:40
 wg_packet_handshake_send_worker+0x18/0x30 drivers/net/wireguard/send.c:51
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351
Modules linked in:
---[ end trace 62bb480d589b1502 ]---
RIP: 0010:tabledist.part.0+0x134/0x160 net/sched/sch_netem.c:333
Code: 4c 89 e0 48 83 c4 08 5b 5d 41 5c 41 5d c3 e8 23 f9 24 fb 48 81 eb 00 10 00 00 eb aa e8 15 f9 24 fb 8d 4c 2d 00 44 89 e8 31 d2 <f7> f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 3a c1 63 fb e9 13 ff ff
RSP: 0018:ffffc90001e87428 EFLAGS: 00010246
RAX: 00000000ee41ce34 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff864e98db RDI: 0000000000000005
RBP: ffffffff80000000 R08: ffff888064704400 R09: ffffed1013b27032
R10: ffff88809d93818f R11: ffffed1013b27031 R12: 0000000000000200
R13: 00000000ee41ce34 R14: ffff88809d938330 R15: ffff88809d938000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000078c000 CR3: 0000000009879000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400